Reference Data Rate Center Directory MADISON, MO Rate Center MADISON — MO Data last updated: March 10, 2026 LATA 524 State MO Area Codes 1 Exchanges (NXX) 2 Carriers 1 Coordinates 39.47329774415498, -92.21550379148997 Area Codes 660 Top Carriers Carrier OCN NXX Count WINDSTREAM MISSOURI, INC. 1885 2
